CN210743891U - Leakage release for circuit breaker - Google Patents
Leakage release for circuit breaker Download PDFInfo
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- CN210743891U CN210743891U CN201922352814.2U CN201922352814U CN210743891U CN 210743891 U CN210743891 U CN 210743891U CN 201922352814 U CN201922352814 U CN 201922352814U CN 210743891 U CN210743891 U CN 210743891U
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- reset
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Abstract
A leakage release for a circuit breaker belongs to the technical field of low-voltage electrical appliances. Including base, housing, magnetic flux converter, characteristics: the leakage tripping device also comprises a linkage rod, an indicating rod and a conversion rod, wherein the linkage rod is linked with the magnetic flux converter; the indicating rod is provided with an electric leakage reset position and an electric leakage action position and respectively indicates that the circuit breaker is in an electric leakage reset state and an electric leakage action state; one end of the conversion rod is linked with the linkage rod, and the other end of the conversion rod is linked with the indicating rod; when the magnetic flux converter is in the electric leakage reset position, the indicating rod is positioned in the electric leakage reset position and indicates that the circuit breaker is in the electric leakage reset state; when the magnetic flux converter acts, the magnetic flux converter drives the circuit breaker to trip and simultaneously drives the linkage rod to move, the movement of the linkage rod enables the conversion rod to rotate, the rotation of the conversion rod drives the indication rod to move, and the indication rod moves to the electric leakage action position, so that the circuit breaker is indicated to be in the electric leakage action state. The advantages are that: the electric leakage indicator has the advantages of clear electric leakage action indicating function, simple structure and high indicating efficiency.
Description
Technical Field
The utility model belongs to the technical field of low-voltage apparatus, concretely relates to electric leakage release for circuit breaker.
Background
A leakage operation release is an operation actuator of a leakage circuit breaker. When a circuit has an electric leakage fault, the electric leakage unit of the circuit breaker detects the electric leakage condition and sends an action instruction to the electric leakage action release, and the electric leakage action release immediately acts to enable the circuit breaker to trip, so that the purpose of quickly breaking the circuit to protect circuits and equipment is achieved. The leakage circuit breaker is also provided with a leakage indicating function, wherein the leakage indicating function indicates the leakage state of the circuit breaker, namely leakage action or leakage reset state, on the site of the circuit breaker. The leakage indication function is usually combined with the leakage action release and is popped out along with the action of the leakage action release towards the front direction of the circuit breaker. In the prior art, the action direction of the indicating structure with the electric leakage indicating function is vertical to the action direction of the release, and the indicating structure has the disadvantages of complex action conversion structure, low efficiency, high cost and large occupied space.
In view of the above-mentioned prior art, there is a need for a reasonable improvement of the structure of the leakage release for the existing circuit breaker. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.
Disclosure of Invention
The utility model aims to provide a creepage release for circuit breaker has clear creepage action indicating function, and action conversion simple structure is small, can promote product competitiveness greatly.
The utility model discloses a task is accomplished like this, a leakage release for circuit breaker, this leakage release includes base, housing and sets up in the inner chamber that base and housing constitute and be used for driving the magnetic flux converter that the circuit breaker carries out the tripping action, leakage release still include the gangbar, indicator lever, the transfer lever that set up in the inner chamber that base and housing constitute equally, the gangbar slide set up on the base and with the linkage of magnetic flux converter; the indicating rod is arranged on the base in a sliding mode, has an electric leakage reset position and an electric leakage action position and respectively indicates that the circuit breaker is in an electric leakage reset state and an electric leakage action state; the conversion rod is rotatably arranged on the base, one end of the conversion rod is linked with the linkage rod, and the other end of the conversion rod is linked with the indicating rod; when the magnetic flux converter is in the electric leakage reset state, the indicating rod is in the electric leakage reset position and indicates that the circuit breaker is in the electric leakage reset state; when the magnetic flux converter acts, the magnetic flux converter drives the circuit breaker to trip and simultaneously drives the linkage rod to move, the movement of the linkage rod enables the conversion rod to rotate, the rotation of the conversion rod drives the indication rod to move, and the indication rod moves to the electric leakage action position, so that the circuit breaker is indicated to be in the electric leakage action state.
In a specific embodiment of the utility model, the setting of electric leakage release in the insulating casing of circuit breaker, insulating casing includes base and lid, the indicator bar on have an indicator terminal surface, indicator terminal surface have a tie position and a salient position for the capping of the lid of circuit breaker, tie position and salient position respectively corresponding to the electric leakage reset position and the electric leakage action position of indicator bar to indicate the circuit breaker to be in electric leakage reset state and electric leakage action state respectively.
In another specific embodiment of the present invention, the leakage tripping device further includes a reset push rod and a reset rotating shaft, the reset push rod is rotatably disposed on the base through the reset rotating shaft, one end of the reset push rod is provided with a reset rod matched with the lever of the circuit breaker, and the other end of the reset push rod is provided with an actuating rod for driving the magnetic flux converter to perform leakage reset.
In another specific embodiment of the present invention, the linkage rod has a guide arm, an actuating arm, a first linkage groove and a second linkage groove, and the sliding arrangement of the linkage rod relative to the base is realized by the cooperation of the guide arm on the linkage rod and the guide groove on the base; the actuating arm is provided with a tripping surface and a first conversion boss, and the tripping surface on the actuating arm can be in contact with a traction rod of the circuit breaker and pushes the circuit breaker to be unlocked so as to trip the circuit breaker; the first linkage groove and the second linkage groove are in linkage with the magnetic flux converter.
In a further specific embodiment of the invention, the switching lever is provided with a pivoting hole for pivoting the base, one end having an actuating U-shaped groove cooperating with a first switching boss on the actuating arm of the linkage lever, the other end having an indicating U-shaped groove cooperating with the indicating lever.
In yet another specific embodiment of the present invention, the indication rod has an indication portion and an indication sliding rod, the indication sliding rod has an indication sliding boss and a second conversion boss, the indication sliding boss is matched with the indication sliding groove corresponding to the base to realize the installation and positioning of the indication sliding rod on the base, and the indication sliding groove can slide along the indication sliding groove, the indication U-shaped groove of the conversion rod is matched with the second conversion boss on the indication sliding rod of the indication sliding rod.
In yet another specific embodiment of the present invention, the magnetic flux converter includes a bracket, a trip push rod, an electromagnetic mechanism fixedly disposed on the bracket, and a latch hinged on the bracket and snap-fitted with the trip push rod; a reset part on the tripping push rod is matched with the reset push rod, and an action part on the tripping push rod is matched with the linkage rod; when the magnetic flux converter is in an electric leakage action state, the tripping push rod and the lock catch are unlocked, the tripping push rod drives the linkage rod to move, a tripping surface of the linkage rod enables the circuit breaker to trip, meanwhile, the linkage rod drives the conversion rod to rotate, and the conversion rod drives the indication rod to move so that the indication rod is in an electric leakage action position; when the circuit breaker is buckled again, the circuit breaker pushes the reset push rod to rotate, the reset push rod drives the tripping push rod to reset, the resetting push rod and the lock catch are buckled again, meanwhile, the tripping surface of the linkage rod is driven to enable the circuit breaker to return to a connection state, the actuating arm of the linkage rod drives the conversion rod to rotate, and the conversion rod drives the indicating rod to slide to the electric leakage reset position.
In a more specific embodiment of the present invention, the actuating portion of the trip rod has a first actuating end engaged with the first linking groove of the linking rod and a second actuating end engaged with the second linking groove of the linking rod, so that the linking rod slides up and down synchronously with the first actuating end and the second actuating end of the magnetic flux transformer.
In yet another specific embodiment of the present invention, the base is provided with a cavity for accommodating the magnetic flux converter and a fixing hole for fixing the magnetic flux converter, and the magnetic flux converter is fixed in the cavity of the base by a mounting screw passing through the fixing hole of the base and the mounting hole of the bracket of the magnetic flux converter.
In a more specific embodiment of the present invention, the housing and the base are fastened to cover the magnetic flux transformer and the linkage rod, and limit the position of the switching rod.
The utility model discloses owing to adopted above-mentioned structure, the beneficial effect who has: the linkage structure of the linkage rod, the indicating rod and the conversion rod enables the leakage tripping device for the circuit breaker to have a clear leakage action indicating function, and the action conversion structure is simple, small in size, low in cost, high in efficiency and obvious in improvement effect compared with the prior art; and secondly, the stroke and the position of the indicating rod can be adjusted and optimized by combining the rotation center of the conversion rod, the action U-shaped groove and the adjustment of the position of the indicating U-shaped groove, and meanwhile, the whole release is more compact in structure, small in occupied space and optimized in appearance quality.
Drawings
Fig. 1 is the schematic structural diagram of the circuit breaker of the present invention.
Fig. 2 is a schematic diagram of one side of the leakage release for the circuit breaker of the present invention.
Fig. 3 is another schematic diagram of the leakage release for the circuit breaker according to the present invention.
Fig. 4 is a schematic structural diagram of the circuit breaker of the present invention after the casing is removed from the leakage release.
Fig. 5 is an explosion diagram of the leakage release for the circuit breaker of the present invention.
Fig. 6 is a schematic diagram of the magnetic flux transformer and the base in the leakage release for the circuit breaker according to the present invention.
Fig. 7 is a schematic structural diagram of one side of the leakage release when the magnetic flux converter in the leakage release for the circuit breaker is in the leakage reset state.
Fig. 8 is a schematic structural diagram of the other side of the leakage release when the magnetic flux converter for the circuit breaker is in the leakage reset state.
Fig. 9 is a schematic view of a circuit breaker when the magnetic flux transformer is in the leakage reset state.
Fig. 10 is a schematic structural diagram of the leakage release when the magnetic flux converter for the circuit breaker is in the leakage operating state.
Fig. 11 is a partial schematic view of the circuit breaker when the magnetic flux transformer is in the leakage operating state.
In the figure: 1. the insulation shell, 11. the base, 12. the cover, 121. the cover surface;
2. the leakage tripping device comprises a leakage tripping device, 21 parts of a base, 211 parts of a cavity, 212 parts of a guide groove, 213 parts of an indication sliding groove, 214 parts of a fixing hole, 215 parts of a reset rotary hole and 216 parts of a rotary boss;
22. a cover 221, an indicating hole;
23. the magnetic flux converter comprises a magnetic flux converter, 231, a bracket, 2311, a mounting hole, 232, a tripping push rod, 2321, a resetting part, 2322, an action part, 23221, a first action end, 23222, a second action end, 233, an electromagnetic mechanism and 234, and a lock catch;
24. the linkage rod, 241, the guide arm, 2411, the sliding boss, 242, the actuating arm, 2421, the tripping surface, 2422, the first conversion boss, 243, the first linkage groove, 244 and the second linkage groove;
25. the indicating rod, 251, an indicating part, 2511, an indicating part end face, 252, an indicating sliding rod, 2521, an indicating sliding boss, 2522 and a second conversion boss;
26. a conversion rod 261, a rotary hole 262, an action U-shaped groove 263 and an indication U-shaped groove;
27. reset push rod 271, reset rod 272, actuating lever 273, reset push rod rotation hole;
28. resetting the rotating shaft; 3. and 4, mounting screws and a traction rod.
Detailed Description
The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments by the applicant is not intended to limit the technical solutions, and any changes made according to the present invention rather than the essential changes should be considered as the protection scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the corresponding figure positions, and thus, should not be construed as particularly limiting the technical solution provided by the present invention.
Referring to fig. 1 to 4, the present invention relates to an electric leakage release for a circuit breaker, the circuit breaker includes an insulating housing 1 and an electric leakage release 2 disposed in the insulating housing 1, the insulating housing 1 includes a base 11 and a cover 12, and the electric leakage release 2 is disposed in the base 11.
As shown in fig. 2 to 6, the electrical leakage release 2 includes a base 21, a cover 22 and a magnetic flux transformer 23, and the magnetic flux transformer 23 is disposed in an inner cavity formed by the base 21 and the cover 22 and is used for driving the circuit breaker to perform a releasing action. The leakage release 2 also has a linkage rod 24, an indicating rod 25, a conversion rod 26, a reset push rod 27 and a reset rotary shaft 28 which are also arranged in the inner cavity formed by the base 21 and the cover 22. The linkage rod 24 is arranged on the base 21 in a sliding mode and is linked with the magnetic flux converter 23. The indication rod 25 is slidably disposed on the base 21, and has an electric leakage reset position and an electric leakage operation position for respectively indicating that the circuit breaker is in an electric leakage reset state and an electric leakage operation state. The conversion rod 26 is rotatably arranged on the base 21, one end of the conversion rod is linked with the linkage rod 24, and the other end of the conversion rod is linked with the indication rod 25. When the magnetic flux converter 23 is in the leakage reset state, the indicating part end surface 2511 of the indicating rod 25 and the cover surface 121 of the cover 12 of the circuit breaker are in a flat position, that is, the indicating rod 25 is located at the leakage reset position and indicates that the circuit breaker is in the leakage reset state; when the magnetic flux converter 23 acts, the magnetic flux converter 23 drives the circuit breaker to trip and simultaneously drives the linkage rod 24 to move, the movement of the linkage rod 24 enables the conversion rod 26 to rotate, the rotation of the conversion rod 26 drives the indication rod 25 to move, and the indication part end surface 2511 of the indication rod 25 protrudes out of the cover surface 121 of the cover 12 of the circuit breaker to the electric leakage reset position, so that the circuit breaker is indicated to be in the electric leakage action state. The reset push rod 27 has a reset push rod rotating hole 273, and has one end provided with a reset rod 271 engaged with the lever of the circuit breaker and the other end provided with an actuating rod 272 for driving the magnetic flux transformer 23 to perform earth leakage reset. The reset rotary shaft 28 rotatably sets the reset push rod 27 on the base 21 through the reset rotary hole 215 and the reset push rod rotary hole 273 of the pivot base 21.
As shown in fig. 4, 5, 7 and 10, the linkage bar 24 has a guide arm 241, an actuating arm 242, a first linkage slot 243 and a second linkage slot 244. The guide arm 241 has a plurality of pairs of sliding bosses 2411, and the sliding bosses 2411 on the guide arm 241 are matched with the guide grooves 212 of the base 21, so that the linkage rod 24 is slidably arranged on the base 21. The motion direction of the linkage rod 24 is up and down sliding as shown in fig. 5, that is, the guide arm 241 of the linkage rod 24 is installed in the guide slot 212 and slides up and down along the guide slot 212. The actuating arm 242 has a tripping surface 2421 and a first switching boss 2422, and the tripping surface 2421 of the actuating arm 242 can contact with the draw bar 4 of the circuit breaker and push the circuit breaker to be unlocked, so that the circuit breaker is tripped. The first switching boss 2422 is engaged with the switching lever 26. The first and second interlocking grooves 243 and 244 cooperate with the magnetic flux transformer 23.
As shown in fig. 4, 5, 7 and 10, the switching lever 26 is provided with a pivot hole 261 having an operation U-shaped groove 262 and an indication U-shaped groove 263 at both ends. The rotary hole 261 is sleeved on the rotary boss 216 of the base 21, so that the conversion lever 26 rotates and swings around the center of the rotary boss 216. The actuation U-shaped slot 262 cooperates with a first transition boss 2422 on the actuation arm 242 of the linkage 24. Specifically, the motion U-shaped groove 262 is sleeved outside the first conversion boss 2422, and swings back and forth along with the linkage rod 24 by the first conversion boss 2422 sliding up and down. The indicating U-shaped groove 263 of the switching lever 26 is engaged with the indicating lever 25. The adjustment of the rotation center of the conversion rod 26, the action U-shaped groove 262 and the position of the indication U-shaped groove 263 can be combined to adjust and optimize the stroke and the position of the indication rod 25, so that the appearance quality of the circuit breaker is optimized. The specific position of the rotary hole 261 of the switching lever 26 can be determined according to circumstances, and in this embodiment, the rotary hole 261 is disposed in the middle of the switching lever 26.
As shown in fig. 4, 5 and 7, the indicating rod 25 has an indicating portion 251 and an indicating slide rod 252, and the indicating slide rod 252 has an indicating slide boss 2521 and a second converting boss 2522. The indication rod 25 is mounted and positioned on the base 21 by the cooperation of the indication sliding boss 2521 thereon and the corresponding indication sliding groove 213 of the base 21, and can slide along the indication sliding groove 213. The indicating U-shaped groove 263 of the switching lever 26 is engaged with the second switching boss 2522 of the indicating slide bar 252 of the indicating lever 25. Specifically, the indicating U-shaped groove 263 is sleeved outside the second converting boss 2522, and the indicating rod 25 slides up and down along with the swing of the converting rod 26, and has a leakage reset position and a leakage operating position.
As shown in fig. 5, 6 and 7, the magnetic flux transformer 23 includes a bracket 231, a trip push rod 232, an electromagnetic mechanism 233 fixedly disposed on the bracket 231, and a latch 234 hinged to the bracket 231 and snap-fitted with the trip push rod 232. The reset 2321 of the trip push rod 232 engages the actuation rod 272 of the reset push rod 27. The action portion 2322 of the trip push rod 232 is engaged with the linkage rod 24, the action direction of the action portion 2322 of the trip push rod 232 is the vertical sliding direction shown in fig. 5, the action portion 2322 of the trip push rod 232 has a first action end 23221 clamped in the first linkage groove 243 of the linkage rod 24 and a second action end 23222 clamped in the second linkage groove 244 of the linkage rod 24, so that the linkage rod 24 slides vertically and synchronously along with the vertical sliding of the first action end 23221 and the second action end 23222 of the magnetic flux transformer 23, and the action direction is opposite to the action direction of the indication rod 25. When the magnetic flux converter 23 is in a leakage action state, the latch part of the tripping push rod 232 is unlocked from the latch 234, the first action end 23221 and the second action end 23222 of the tripping push rod 232 drive the linkage rod 24 to move, the tripping surface 2421 of the linkage rod 24 is in contact with the draw bar 4 of the circuit breaker and pushes the draw bar 4 of the circuit breaker to unlock, so that the circuit breaker is tripped, meanwhile, the first switching boss 2422 on the actuating arm 242 of the linkage rod 24 drives the switching rod 26 to rotate, the switching rod 26 drives the indicating rod 25 to move upwards, so that the indicating rod 25 protrudes to a leakage action position relative to the cover surface 121 of the circuit breaker cover 12; when the circuit breaker is buckled again, the lever of the circuit breaker contacts the reset rod 271 to push the reset push rod 27 to rotate, meanwhile, the actuating rod 272 pushes the tripping push rod 232 to reset, so that the tripping push rod is buckled with the buckle 234 again, meanwhile, the tripping surface 2421 on the actuating arm 242 of the linkage rod 24 is driven to be separated from the draw bar 4 of the circuit breaker, so that the circuit breaker is restored to the connection state, the first switching boss 2422 on the actuating arm 242 of the linkage rod 24 drives the switching rod 26 to rotate around the switching boss 216, and the switching rod 26 drives the indicating rod 25 to slide to the leakage reset position.
As shown in fig. 5, the base 21 is provided with a cavity 211 for accommodating the magnetic flux converter 23 and a fixing hole 214 for fixing the magnetic flux converter 23, and the magnetic flux converter 23 is fixed in the cavity 211 of the base 21 by a mounting screw 3 passing through the fixing hole 214 of the base 21 and a mounting hole 2311 on the bracket 231 of the magnetic flux converter 23. The magnetic flux converter 23 is disposed vertically, that is, the operating direction of the operating portion 2322 of the trip push rod 232 is the vertical sliding direction shown in fig. 5, and is opposite to the sliding direction of the indicating rod 25. When the indicating portion end surface 2511 of the indicating portion 251 is in the leakage reset position, it is flush with the cover surface 121 of the cover 12 of the circuit breaker, as shown in fig. 9; when the magnetic flux transformer 23 is operated, the indicating rod 25 moves upward, and the indicating portion end surface 2511 of the indicating portion 251 protrudes to the leakage operating position with respect to the cover surface 121 of the cover 12 of the circuit breaker, as shown in fig. 11.
As shown in fig. 2 to 5, the cover 22 is fastened to the base 21 to cover the magnetic flux transformer 23, the linkage rod 24, and limit the position of the switching rod 26. The cover 22 is provided with an indication hole 221, the indication part 251 of the indication rod 25 is arranged in the indication hole 221, and the indication part 251 can slide up and down in the indication hole 221.
With reference to fig. 1 to fig. 11, the working process of the leakage release for circuit breaker of the present invention is as follows:
initially, the circuit breaker is in an on (closed) state, as shown in fig. 7, the magnetic flux transformer 23 is in a leakage reset state, at this time, the action portion 2322 of the trip push rod 232 of the magnetic flux transformer 23 is at a high position, the linkage rod 24 is at a high position along with the first action end 23221 and the second action end 23222 of the magnetic flux transformer 23, and the trip surface 2421 thereof is out of contact with the draw bar 4 of the circuit breaker. The action U-shaped groove 262 of the conversion lever 26 is at a high position along with the linkage rod 24, the indication U-shaped groove 263 at the other end is at a low position, and meanwhile, the indication lever 25 is at a low position, the indication lever 25 is at an electric leakage reset position, that is, as shown in fig. 9, the indication part end surface 2511 of the indication part 251 is flush with the cover surface 121 of the cover 12 of the circuit breaker, that is, the circuit breaker indicates an electric leakage reset state.
During action, as shown in fig. 10, the magnetic flux converter 23 obtains a signal to indicate action, the action part 2322 of the tripping push rod 232 drives the linkage rod 24 to slide downwards, the tripping surface 2421 of the linkage rod 24 contacts with the circuit breaker draw bar 4 and pushes the circuit breaker draw bar 4 to unlock, and the circuit breaker trips; meanwhile, the linkage rod 24 drives the action U-shaped groove 262 of the conversion rod 26 to swing downwards, and the indication U-shaped groove 263 at the other end swings upwards to drive the indication rod 25 to move upwards, as shown in fig. 11, the indication part end surface 2511 of the indication part 251 protrudes to the leakage action position relative to the cover surface 121 of the cover 12 of the circuit breaker, that is, the circuit breaker indicates the leakage action state.
When resetting, after removing the leakage fault, when the circuit breaker is buckled again, as shown in fig. 8, the circuit breaker lever contacts with the reset rod 271 of the reset push rod 27 and pushes the reset push rod 27 to rotate clockwise around the reset rotating shaft 28, and correspondingly, the actuating rod 272 of the reset push rod 27 pushes the reset portion 2321 of the trip push rod 232 of the magnetic flux converter 23 and makes it slide upward to reset the magnetic flux converter 23; meanwhile, the first action end 23221 and the second action end 23222 of the action part 2322 of the trip push rod 232 drive the linkage rod 24 to slide upwards, the trip surface 2421 on the actuating arm 242 of the linkage rod 24 is disengaged from the draw bar 4 of the circuit breaker, and the linkage rod 24 drives the action U-shaped groove 262 of the converting rod 26 to swing upwards when sliding upwards, accordingly, the indicating U-shaped groove 263 of the converting rod 26 swings downwards, the converting rod 26 drives the indicating rod 25 to slide downwards, as shown in fig. 9, the indicating part end surface 2511 of the indicating part 251 sinks into the cover 12 until the end surface of the indicating part 251 is flush with the cover surface 121 of the cover 12 of the circuit breaker, that is, the circuit breaker indicates the leakage reset state.
Claims (10)
1. The utility model provides a leakage release for circuit breaker, this leakage release (2) include base (21), cover (22) and set up in the inner chamber that base (21) and cover (22) constitute and be used for driving the magnetic flux converter (23) that the circuit breaker carried out the tripping action, its characterized in that: the leakage tripper (2) also comprises a linkage rod (24), an indicating rod (25) and a conversion rod (26) which are also arranged in an inner cavity formed by the base (21) and the cover (22), wherein the linkage rod (24) is arranged on the base (21) in a sliding manner and is linked with the magnetic flux converter (23); the indicating rod (25) is arranged on the base (21) in a sliding mode, has an electric leakage reset position and an electric leakage action position and respectively indicates that the circuit breaker is in an electric leakage reset state and an electric leakage action state; the conversion rod (26) is rotatably arranged on the base (21), one end of the conversion rod is linked with the linkage rod (24), and the other end of the conversion rod is linked with the indicating rod (25); when the magnetic flux converter (23) is in an electric leakage reset state, the indicating rod (25) is in an electric leakage reset position and indicates that the circuit breaker is in an electric leakage reset state; when the magnetic flux converter (23) acts, the magnetic flux converter (23) drives the circuit breaker to trip and simultaneously drives the linkage rod (24) to move, the movement of the linkage rod (24) enables the conversion rod (26) to rotate, the rotation of the conversion rod (26) drives the indication rod (25) to move, the indication rod (25) moves to the electric leakage action position, and therefore the circuit breaker is indicated to be in the electric leakage action state.
2. The electrical leakage release for the circuit breaker according to claim 1, wherein the electrical leakage release (2) is disposed in an insulating housing (1) of the circuit breaker, the insulating housing (1) comprises a base (11) and a cover (12), the indicating rod (25) has an indicating portion end surface (2511), the indicating portion end surface (2511) has a flat position and a protruding position relative to the cover surface (121) of the cover (12) of the circuit breaker, and the flat position and the protruding position respectively correspond to the electrical leakage reset position and the electrical leakage operating position of the indicating rod (25), thereby respectively indicating that the circuit breaker is in the electrical leakage reset state and the electrical leakage operating state.
3. The electrical leakage release for the circuit breaker according to claim 1, wherein the electrical leakage release (2) further comprises a reset push rod (27) and a reset rotating shaft (28), the reset push rod (27) is rotatably disposed on the base (21) through the reset rotating shaft (28), one end of the reset push rod is provided with a reset rod (271) matched with the lever of the circuit breaker, and the other end of the reset push rod is provided with an actuating rod (272) driving the magnetic flux converter (23) to reset the electrical leakage.
4. The electrical leakage release for the circuit breaker according to claim 1, wherein the linkage rod (24) has a guide arm (241), an actuating arm (242), a first linkage groove (243) and a second linkage groove (244), and the sliding arrangement of the linkage rod (24) relative to the base (21) is realized by the cooperation of the guide arm (241) on the linkage rod (24) and the guide groove (212) on the base (21); the actuating arm (242) is provided with a tripping surface (2421) and a first conversion boss (2422), and the tripping surface (2421) on the actuating arm (242) can be in contact with a traction rod (4) of the circuit breaker and pushes the circuit breaker to be unlocked, so that the circuit breaker is tripped; the first and second linkage grooves (243, 244) are linked with the magnetic flux converter (23).
5. The electrical leakage release for circuit breaker according to claim 4, characterized in that the switching lever (26) is provided with a pivot hole (261) for pivoting the switching lever provided on the base (21), and has an actuating U-shaped groove (262) at one end for engaging with the first switching boss (2422) on the actuating arm (242) of the linkage lever (24) and an indicating U-shaped groove (263) at the other end for engaging with the indicating lever (25).
6. The electrical leakage release for the circuit breaker according to claim 5, wherein the indicating rod (25) has an indicating portion (251) and an indicating sliding rod (252), the indicating sliding rod (252) has an indicating sliding boss (2521) and a second converting boss (2522), the indicating rod (25) is mounted and positioned on the base (21) by the cooperation of the indicating sliding boss (2521) on the indicating sliding rod and the corresponding indicating sliding slot (213) of the base (21) and can slide along the indicating sliding slot (213), and the indicating U-shaped groove (263) of the converting rod (26) is engaged with the second converting boss (2522) on the indicating sliding rod (252) of the indicating rod (25).
7. The electrical leakage release for the circuit breaker according to claim 3, wherein said magnetic flux transformer (23) comprises a bracket (231), a trip push rod (232), an electromagnetic mechanism (233) fixedly arranged on the bracket (231), and a latch (234) hinged on the bracket (231) and snap-fitted with the trip push rod (232); a reset part (2321) on the tripping push rod (232) is matched with the reset push rod (27), and an action part (2322) on the tripping push rod (232) is matched with the linkage rod (24); when the magnetic flux converter (23) is in a leakage action state, the tripping push rod (232) is unlocked from the lock catch (234), the tripping push rod (232) drives the linkage rod (24) to move, a tripping surface (2421) of the linkage rod (24) causes the circuit breaker to trip, meanwhile, the linkage rod (24) drives the conversion rod (26) to rotate, and the conversion rod (26) drives the indication rod (25) to move, so that the indication rod (25) is in a leakage action position; when the circuit breaker is buckled again, the circuit breaker pushes a reset push rod (27) to rotate, the reset push rod (27) drives a tripping push rod (232) to reset, the tripping push rod and a lock catch (234) are buckled again, meanwhile, a tripping surface (2421) of a linkage rod (24) is driven to enable the circuit breaker to return to a connection state, an actuating arm (242) of the linkage rod (24) drives a conversion rod (26) to rotate, and the conversion rod (26) drives an indication rod (25) to slide to a leakage reset position.
8. The electrical leakage release for the circuit breaker according to claim 7, wherein the actuating portion (2322) of the release push rod (232) has a first actuating end (23221) engaged with the first linking groove (243) of the linking rod (24) and a second actuating end (23222) engaged with the second linking groove (244) of the linking rod (24), so that the linking rod (24) can slide up and down synchronously with the up and down sliding of the first actuating end (23221) and the second actuating end (23222) of the magnetic flux transformer (23).
9. The electrical leakage release for the circuit breaker according to claim 2, wherein the base (21) is provided with a cavity (211) for accommodating the magnetic flux transformer (23) and a fixing hole (214) for fixing the magnetic flux transformer (23), and the magnetic flux transformer (23) is fixed in the cavity (211) of the base (21) by a mounting screw (3) passing through the fixing hole (214) of the base (21) and a mounting hole (2311) on a bracket (231) of the magnetic flux transformer (23).
10. The electrical leakage release for circuit breaker according to claim 1, wherein said cover (22) is snap-fitted to said base (21) to cover said magnetic flux transformer (23) and said linkage rod (24) and to limit said switching rod (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352814.2U CN210743891U (en) | 2019-12-24 | 2019-12-24 | Leakage release for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352814.2U CN210743891U (en) | 2019-12-24 | 2019-12-24 | Leakage release for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210743891U true CN210743891U (en) | 2020-06-12 |
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| CN201922352814.2U Active CN210743891U (en) | 2019-12-24 | 2019-12-24 | Leakage release for circuit breaker |
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